Revert "Allow recent apps to be launched with split screen pair ..."

Revert submission 27578651-cherrypicker-L54800030004071884:N28400030065634490

Reason for revert: b/343507598

Reverted changes: /q/submissionid:27578651-cherrypicker-L54800030004071884:N28400030065634490

Change-Id: Id0daa5b6491cabb4a6b6b2f52c270f7095121aa9
10 files changed